Substance concentration of a specific protein in serum/plasma (e.g., a marker related to protein metabolism or renal function)
This test measures the amount of a particular protein in your blood, which can help doctors assess how well your body is processing proteins or check for kidney function.
["Understanding your protein levels helps diagnose and monitor certain health conditions."]
Key facts at a glance
- LOINC
- 70104-5
- Short code
- MTX sp7 SerPl-sCnc
- Synonyms
- MTX sp7 SerPl-sCnc
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
Why This Test Might Be Ordered
Your doctor may recommend this test if you have symptoms like swelling, unexplained weight changes, fatigue, or if they suspect conditions like kidney disease, liver problems, or protein-related disorders. It could also be part of routine monitoring for chronic conditions.
What to Expect Before the Test
No special preparation is usually needed. You may be asked to fast for a few hours before the test if it involves a fasting sample, but this depends on your doctor’s instructions. Avoid strenuous activity the day before.
During the Test Process
A healthcare professional will draw blood from a vein in your arm. You may feel a slight pinch, but it’s generally quick and not painful. The blood sample will be sent to a lab for analysis.
What the Results Mean
Results will show the concentration of the protein in your blood. Your doctor will compare these results to your health history and other tests to determine if they’re within normal ranges or if further action is needed.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Abnormal protein levels can indicate underlying health issues, such as kidney disease (where proteins may leak into urine), liver dysfunction, or certain metabolic disorders. High or low levels may also signal dehydration, infections, or other systemic conditions. Always discuss your results with your healthcare provider for personalized insights.
Short name
Serum/plasma protein concentration test
Frequently asked questions
What causes abnormal protein levels in blood?
How often should I get this test?
Can I eat or drink before this test?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy